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September 2025 Climate Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

61°F

16°C

Humidity	94%
Wind Speed	S 7 mph
Barometer	30.10 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	6 Oct 7:48 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Bolingbrook IL

Today
High: 83 °F
Mostly Sunny
then Chance
Showers
Tonight
Low: 59 °F
Showers
Likely
Tuesday
High: 66 °F
Chance
Showers
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 44 °F
Mostly Clear
Friday
High: 68 °F
Mostly Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

Showers and thunderstorms likely before 3am, then showers likely between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 59. North wind 5 to 10 mph becoming east northeast in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A 30 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 66. North wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 48. North wind around 5 mph, with gusts as high as 10 mph.

Wednesday

Sunny, with a high near 64. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday Night

Mostly clear, with a low around 43.

Thursday

Sunny, with a high near 65.

Thursday Night

Mostly clear, with a low around 44.

Friday

Mostly sunny, with a high near 68.